Charles Arthur: Analysis of the revenues and profits for the 'big five' PC manufacturers - HP, Lenovo, Dell, Asus and Acer - which make more than 60% of the Windows PC - shows a multi-year squeeze on prices and profits. What next?

Flaws with Asus-built touchscreen affecting a number of people, though no detail available about what proportion. Problems on accessing Google's customer service have frustrated others. By Charles Arthur